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U.S. Secretary of State Marco Rubio addresses the press before briefing House and Senate leaders on US military action in Iran, at the US Capitol in Washington, DC, on March 2, 2026. (Photo by Brendan SMIALOWSKI / AFP via Getty Images)

Double Preemption, Imminence, and the U.S. Attack Against Iran

Secretary of State Marco Rubio’s argument that Operation Epic Fury was an act of preemptive self-defense is not credible and does not satisfy the necessary precondition.
The Department of Justice

How a Broadly Defined Counterterrorism Statute Could Be Abused

18 U.S.C. § 2339A doesn’t require proof of group membership or terrorist intent, and the policy framework around it outweighs any single verdict.
A man warms himself in front of a public fire pit at night.

Russia’s Big War at Four: Ukraine Keeps Fighting and Keeps Talking

Ukrainians have withstood the Russian onslaught and, thanks to Europe, have managed despite the reduction of U.S. military assistance. Trump has more he could offer.

Early Edition: March 3, 2026

Signup to receive the Early Edition in your inbox here. A curated weekday guide to major news and developments over the last 24 hours. Here’s today’s news: IRAN WAR  U.S.-Israeli…

Top Questions the Trump Administration Needs to Answer on War with Iran

What Congress, journalists, and the public should ask the Trump administration about its war in Iran.
U.S. Secretary of Defense Pete Hegseth arrives to testify before the Senate Armed Services Committee in the Dirksen Senate Office Building on June 18, 2025 in Washington, DC.

What Hegseth’s “Supply Chain Risk” Designation of Anthropic Does and Doesn’t Mean

Abuse of a tailored national security authority to resolve an ideological dispute playing out over DoD’s desire to change its contractual terms should not be taken lightly. 
A plume of smoke rises above road traffic after an explosion on March 2, 2026 in Tehran, Iran. The United States and Israel continued their joint attacks that erupted on February 28. Iran retaliated by firing waves of missiles and drones at Israel, and targeting U.S. allies in the region. (Photo by Majid Saeedi/Getty Images)

Aggression by the United States and Israel, Misdirected Self-Defense by Iran, and Collective Self-Defense of Gulf States

Analysis of the legality of U.S.-Israel actions against Iran, Iran’s response, and third-party states’ legal options and obligations under the UN Charter.
Under a hazy, grey sky, a convoy of white vehicles drives along a dusty road near Saraya Square in western Gaza City on Jan​. 19, 2025. The vehicles are marked with the the International Committee of the Red Cross' stickers and flags.

“Significantly Diminished”: Commenting Anew on Article 23 of Geneva Convention IV in a Transformed Legal Context

New Commentary on GC IV describes Article 23—the treaty’s key provision governing the duty to allow the passage of essentials to civilians—as "significantly diminished" today.
Screenshot of Memorandum for Legal Advisor, National Security Council Re: Proposed War Department Operation to Support Law Enforcement Efforts in Venezuela, published December 23, 2025.

The Trump Administration’s Theory of Constitutional War Powers: “The President Could Decide”

The legal memo justifying its Venezuela operations provides insight into the administration's use-of-force decisions and the factual evidence undergirding them.

Early Edition: March 2, 2026

Signup to receive the Early Edition in your inbox here. A curated guide to major news and developments over the weekend. Here’s today’s news: IRAN Saturday  U.S. and Israeli…
A plume of smoke rises following a reported explosion in Tehran on February 28, 2026. Israel's defence ministry announced February 28 it had launched a "preemptive strike" on Iran as sirens sounded in Jerusalem and people across the country received phone alerts about an "extremely serious" threat.

International Reactions to Military Strikes on Iran: A Tipping Point for the UN Charter?

Positions taken at the UN Security Council are a harbinger of whether the legal cornerstone of the international order that is designed to maintain world peace can hold.
Flags of USA and Iran

Top Experts’ Backgrounder: Military Action Against Iran and US Domestic Law

Experts who advised a president on use of force answer a full range of basic questions on the conditions under which action against Iran would be lawful, and what options Congress…
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